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Question: Answered & Verified by Expert
Parathormone deficiency produces muscle cramps or tetany as a result of:
BiologyChemical Coordination and IntegrationNEET
Options:
  • A Lowered blood Ca2+
  • B Enhanced blood Na+
  • C Enhanced blood glucose
  • D Enhanced blood Ca2+
Solution:
2137 Upvotes Verified Answer
The correct answer is: Lowered blood Ca2+
Parathormone released by the parathyoid gland elevates the level of Ca2+ in blood. The deficiency of this hormone lowers blood Ca2+. As a result, the excitability of muscles and nerves increases producing tetany-sustained contraction.

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